用你手机的重力感应去控制小球，不要让它从跑道掉下来，“Running Ball!”.
Use your mobile phones accelerometer to control the ball, dont let it fall from the runway，“Running Ball!”.
用你手机的重力感应去控制小球，不要让它从跑道掉下来，“Running Ball!”.
Use your mobile phones accelerometer to control the ball, dont let it fall from the runway，“Running Ball!”.